Patent US3437100A successfully refreshed from Google Patents.
US3437100A
Expired / Lapsed
US
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Pneumatic or hydraulic delay device
Assignee: Safran Aircraft Engines SAS
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Filing: 1968-02-23
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Granted: 1969-04-08
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Expires: 1988-02-23
Abstract
No abstract record available.
Inventors
- 👤 Jean Rona
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:11
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/14; F15C1/146; F15C1/02; F15C1/143; G; G06; G06D; G06D1/00; G06D1/02; G06D1/04; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2131; Y10T137/2147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |